2023.02.21:
* changed: README_EN.txt: readme cleanup

2021.09.06:
* changed: readme update
* refactor: code refactor

2021.08.25:
* changed: readme update
* refactor: tests structure refactor

2021.08.23:
* changed: minor changes

2020.06.12:
* changed: 02_traplib/01_push_trap/test_1.sh: double execution instead of a single to catch an error after a first call to the `tkl_push_trap`

2020.04.06:
* changed: readme update

2020.03.30:
* new: `01_bash_entry/01_normalize_path` tests
* new: `02_traplib/01_push_trap` tests
* refactor: tests refactor

2020.03.08:
* changed: readme update

2020.03.05:
* new: changelog file
* new: readme file
